In most procurement cycles, 6ES7405-0RA02-0AA0 is considered with Schneider PLC, Siemens HMI and 6Es7 215 1Ag40 0Xb0, giving decision-makers confidence that theyβve chosen the most dependable component.
Siemens 6ES7405-0RA02-0AA0 Programmable Logic Controller
The Siemens 6ES7405-0RA02-0AA0 is a powerful PLC (Programmable Logic Controller) module from the trusted Siemens SIMATIC S7-400 series.

| Brand | Siemens |
| Product Type | Programmable Logic Controller |
| Product | 6ES7405-0RA02-0AA0 |
Siemens 6ES7405-0RA02-0AA0 Programmable Logic Controller - Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-400, power supply PS405: 20 A, wide range, 24/48/60 V DC, 5 V DC/20 A, |
| Product family | PS 405/407 power supply |
| Product Lifecycle (PLM) | PM300:Active Product |
| PLM Effective Date | 240 / 240 |
| Region Specific PriceGroup / Headquarter Price Group | Show prices |
| Metal Factor | AL : N / ECCN : 9N9999 |
| Net Weight (kg) | 23,30 x 30,30 x 6,20 |
| Packaging Dimension | CM |
| Package size unit of measure | 1 Piece |
The Siemens 6ES7405-0RA02-0AA0 PLC belongs to the PS 405/407 power supply family and is engineered to provide a reliable 5 V DC/20 A output with wide input ranges of 24/48/60 V DC. Its rated current of 20 A makes it ideal for supplying power to large, complex automation racks where stability and efficiency are critical. Built for the SIMATIC S7-400 platform, this active PM300 lifecycle product guarantees long-term availability and support from Siemens. With rugged dimensions (23.30 Γ 30.30 Γ 6.20 cm), the unit is designed for durability, compact integration, and reduced downtime risks in industrial control cabinets. Maintenance teams trust the 6ES7405-0RA02-0AA0 because it combines high output power with compliance to international quality standards, integrated safety, and proven reliability in heavy-duty automation. Designed as a high-capacity PS405 power supply, it delivers robust performance for industrial automation systems that demand stable, uninterrupted power for CPUs, I/O modules, and mission-critical control applications.
Applications of the Siemens 6ES7405-0RA02-0AA0 PLC span across industries that require stable power supply for continuous automation. In automotive production, it ensures uninterrupted operation of robotic assembly lines and conveyor systems. In heavy process industries such as steel, cement, and chemicals, the module supports large-scale distributed control systems, where even minor voltage fluctuations can impact efficiency and safety. Utilities and energy companies deploy the 6ES7405-0RA02-0AA0 to maintain reliable operation of substations and water treatment plants, where constant DC supply is vital. Engineering students and professionals studying automation will recognize how this PS405 power supply demonstrates the importance of regulated output, redundancy, and long-term lifecycle support in PLC systems. By implementing the Siemens 6ES7405-0RA02-0AA0, industries benefit from minimized downtime, extended equipment life, and a scalable foundation for advanced automation projects.




